:root {
  --primary: #006a2a;
  --surface: #f5f7f5;
  --surface-container-low: #eef0ee;
  --surface-container-lowest: #ffffff;
  --on-surface: #2c2f2e;
  --on-surface-soft: rgba(44, 47, 46, 0.55);
  --font-display: 'Newsreader', serif;
  --font-body: 'Be Vietnam Pro', sans-serif;
  --font-novel: 'Noto Serif JP', 'Newsreader', serif;
}

*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  color: var(--on-surface);
  background-color: var(--surface);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

.garden {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.garden img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
}

.garden--soft img {
  opacity: 1;
}

.garden--soft::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(245, 247, 245, 0.88) 0%,
    rgba(245, 247, 245, 0.82) 30%,
    rgba(245, 247, 245, 0.85) 60%,
    rgba(245, 247, 245, 0.92) 100%
  );
  z-index: 1;
}

.site-header {
  position: relative;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 720px;
  margin: 0 auto;
  padding: 1.5rem 1.5rem 0;
}

.site-header-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--on-surface);
}

.site-header-logo img {
  width: 32px;
  height: 32px;
  object-fit: contain;
}

.site-header-logo-text {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 300;
  letter-spacing: 0.1em;
}

.site-header-back {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--on-surface-soft);
  text-decoration: none;
  transition: color 0.2s ease;
}

.site-header-back:hover {
  color: var(--primary);
}

.site-header-back svg {
  width: 14px;
  height: 14px;
}